$(document).ready(function () {
    
    $('#gallery').gallery({
        duration: $.browser.msie ? 0 : 500,
        listOfSlides: '.gallery-holder > ul > li',
        switcher: '.switcher > ul > li',
        effect: true,
        autoRotation: 7500
    });
    $('#gallery').mouseenter(function () {
        $('#gallery').gallery('stop');
    }).mouseleave(function () {
        $('#gallery').gallery('play');
    });    
});
(function($) {
	$.fn.gallery = function(options) {
		var args = Array.prototype.slice.call(arguments);
		args.shift();
		this.each(function(){
			if(this.galControl && typeof options === 'string') {
				if(typeof this.galControl[options] === 'function') {
					this.galControl[options].apply(this.galControl, args);
				}
			} else {
				this.galControl = new Gallery(this, options);
			}
		});
		return this;
	};
	function Gallery(context, options) { this.init(context, options); };
	Gallery.prototype = {
		options:{},
		init: function (context, options){
			this.options = $.extend({
				duration: 700,
				slideElement:1,
				autoRotation: false,
				effect: false,
				listOfSlides: '.list > li',
				switcher: false,
				autoSwitcher: false,
				disableBtn: false,
				nextBtn: 'a.link-next, a.btn-next, a.next',
				prevBtn: 'a.link-prev, a.btn-prev, a.prev',
				circle: true,
				clone: false,
				direction: false,
				event: 'click'
			}, options || {});
			var self = this;
			this.context = $(context);
			this.els = this.context.find(this.options.listOfSlides);
			this.list = this.els.parent();
			this.count = this.els.length;
			this.autoRotation = this.options.autoRotation;
			this.direction = this.options.direction;
			this.duration = this.options.duration;
			if (this.options.clone) {
				this.list.append(this.els.clone());
				this.list.prepend(this.els.clone());
				this.els = this.context.find(this.options.listOfSlides);
			}
			this.wrap = this.list.parent();
			if (this.options.nextBtn) this.nextBtn = this.context.find(this.options.nextBtn);
			if (this.options.prevBtn) this.prevBtn = this.context.find(this.options.prevBtn);

			this.calcParams(this);
			
			if (this.options.autoSwitcher) {
				this.switcherHolder = this.context.find(this.options.switcher).empty();
				this.switchPattern = $('<ul class="'+ (this.options.autoSwitcher == true ? '' : this.options.autoSwitcher) +'"></ul>');
				for (var i=0;i<this.max+1;i++){
					$('<li><a href="#">'+i+'</a></li>').appendTo(this.switchPattern);
				}
				this.switchPattern.appendTo(this.switcherHolder);
				this.switcher = this.context.find(this.options.switcher).find('li');
				this.active = 0;
			} else {
				if (this.options.switcher) {
					this.switcher = this.context.find(this.options.switcher);
					this.active = this.switcher.index(this.switcher.filter('.active:eq(0)'));
				}
				else this.active = this.els.index(this.els.filter('.active:eq(0)'));
			}
			if (this.active < 0) this.active = 0;
			this.last = this.active;
			if (this.options.switcher) this.switcher.removeClass('active').eq(this.active).addClass('active');
			if (this.options.clone) this.active += this.count;
			
			if (this.options.effect) this.els.css({opacity: 0}).removeClass('active').eq(this.active).addClass('active').css({opacity: 1}).css('opacity', 'auto');
			else {
				if (this.direction) this.list.css({marginTop: -(this.mas[this.active])});
				else this.list.css({marginLeft: -(this.mas[this.active])});
			}
			
			
			if (this.options.nextBtn) this.initEvent(this, this.nextBtn,true);
			if (this.options.prevBtn) this.initEvent(this, this.prevBtn,false);
			
			this.initWindow(this,$(window));
			
			if (this.autoRotation) this.runTimer(this);
			
			if (this.options.switcher) this.initEventSwitcher(this, this.switcher);
			if (this.options.disableBtn && !this.options.circle && !this.options.clone) this.disableControls();
		},
		calcParams: function(self){
			this.mas = [];
			this.sum = 0;
			this.max = this.count-1;
			this.width = 0;
			this.els.each(function(){self.mas.push(self.width);self.width += self.direction?$(this).outerHeight(true):$(this).outerWidth(true);self.sum+=self.direction?$(this).outerHeight(true):$(this).outerWidth(true);});
			this.finish = this.direction?this.sum-this.wrap.outerHeight():this.sum-this.wrap.outerWidth();
			for (var i=0;i<this.count;i++){
				if (this.mas[i]>=this.finish) {
					this.max = i;
					break;
				}
			}
		},
		changeSettings: function(set,val){
			this[set] = val;
		},
		fadeElement: function(){
			this.els.eq(this.last).animate({opacity:0}, {queue:false, duration: this.duration});
			this.els.removeClass('active').eq(this.active).addClass('active').animate({
				opacity:1
			}, {queue:false, duration: this.duration, complete: function(){
				$(this).css('opacity','auto');
			}});
			if (this.options.switcher) this.switcher.removeClass('active').eq(this.active).addClass('active');
			this.last = this.active;
		},
		scrollElement: function(f){
			if (this.direction) this.list.animate({marginTop: f ? -this.finish : -(this.mas[this.active])}, {queue:false, duration: this.duration});
			else this.list.animate({marginLeft: f ? -this.finish : -(this.mas[this.active])}, {queue:false, duration: this.duration});
			if (this.options.switcher) this.switcher.removeClass('active').eq(this.options.clone ? this.active < this.count ? this.active/this.options.slideElement : this.active >= this.count*2 ? (this.active - this.count*2)/this.options.slideElement : (this.active - this.count)/this.options.slideElement : this.active/this.options.slideElement).addClass('active');
		},
		runTimer: function($this){
			if($this._t) clearTimeout($this._t);
			$this._t = setInterval(function(){
				$this.nextStep();
			}, this.autoRotation);
		},
		initEventSwitcher: function($this, el){
			el.bind($this.options.event, function(){
				if (!$(this).hasClass('active')){
					$this.active = $this.switcher.index($(this)) * $this.options.slideElement;
					if ($this.options.clone) $this.active += $this.count;
					$this.initMove();
				}
				return false;
			});
		},
		initEvent: function($this, addEventEl, dir){
			addEventEl.bind($this.options.event, function(){
				if (dir) $this.nextStep();
				else $this.prevStep();
				if($this._t) clearTimeout($this._t);
				if ($this.autoRotation) $this.runTimer($this);
				return false;
			});
		},
		disableControls: function(){
			this.prevBtn.removeClass(this.options.disableBtn);
			this.nextBtn.removeClass(this.options.disableBtn);
			if (this.active>=this.max) this.nextBtn.addClass(this.options.disableBtn);
			if (this.active<=0) this.prevBtn.addClass(this.options.disableBtn);
		},
		initMove: function(){
			var f = false;
			if (this.active >= this.max && !this.options.clone) {
				f = true;
				this.active = this.max;
			}
			if(this._t) clearTimeout(this._t);
			if (!this.options.effect) this.scrollElement(f);
			else this.fadeElement();
			if (this.autoRotation) this.runTimer(this);
			if (this.options.disableBtn && !this.options.circle && !this.options.clone) this.disableControls();
		},
		nextStep:function(){
			var f = false;
			this.active = this.active + this.options.slideElement;
			if (this.options.disableBtn && !this.options.circle && !this.options.clone) this.disableControls();
			if (this.options.clone){
				if (this.active > this.count*2) {
					if (this.direction) this.list.css({marginTop:-this.mas[this.count]});
					else this.list.css({marginLeft:-this.mas[this.count]});
					this.active = this.count+this.options.slideElement;
				}
			} else {
				if (this.active >= this.max) {
					if (this.options.circle) {
						if (this.active > this.max) this.active = 0;
						else {
							this.active = this.max;
							f = true
						}
					}
					else {
						this.active = this.max;
						f = true;
					}
				}
			}
			if (!this.options.effect) this.scrollElement(f);
			else this.fadeElement();
		},
		prevStep: function(){
			var f = false;
			this.active = this.active - this.options.slideElement;
			if (this.options.disableBtn && !this.options.circle && !this.options.clone) this.disableControls();
			if (this.options.clone){
				if (this.active < 0) {
					if (this.direction) this.list.css({marginTop:-this.mas[this.count]});
					else this.list.css({marginLeft:-this.mas[this.count]});
					this.active = this.count-1;
				}
			} else {
				if (this.active < 0) {
					if (this.options.circle) {
						this.active = this.max;
						f = true;
					}
					else this.active = 0;
				}
			}
			if (!this.options.effect) this.scrollElement(f);
			else this.fadeElement();
		},
		initWindow: function($this,$window){
			$window.focus($.proxy(this.play,this));
			$window.blur($.proxy(this.stop,this));
		},
		stop: function(){
			if (this._t) clearTimeout(this._t);
		},
		play: function(){
			if (this._t) clearTimeout(this._t);
			if (this.autoRotation) this.runTimer(this);
		}
	}
}(jQuery));
function initPage()
{
	clearFormFields({
		clearInputs: true,
		clearTextareas: true,
		passwordFieldText: true,
		addClassFocus: "focus",
		filterClass: "default"
	});
}
function clearFormFields(o)
{
	if (o.clearInputs == null) o.clearInputs = true;
	if (o.clearTextareas == null) o.clearTextareas = true;
	if (o.passwordFieldText == null) o.passwordFieldText = false;
	if (o.addClassFocus == null) o.addClassFocus = false;
	if (!o.filterClass) o.filterClass = "default";
	if(o.clearInputs) {
		var inputs = document.getElementsByTagName("input");
		for (var i = 0; i < inputs.length; i++ ) {
			if((inputs[i].type == "text" || inputs[i].type == "password") && inputs[i].className.indexOf(o.filterClass) == -1) {
				inputs[i].valueHtml = inputs[i].value;
				inputs[i].onfocus = function ()	{
					if(this.valueHtml == this.value) this.value = "";
					if(this.fake) {
						inputsSwap(this, this.previousSibling);
						this.previousSibling.focus();
					}
					if(o.addClassFocus && !this.fake) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				inputs[i].onblur = function () {
					if(this.value == "") {
						this.value = this.valueHtml;
						if(o.passwordFieldText && this.type == "password") inputsSwap(this, this.nextSibling);
					}
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
				if(o.passwordFieldText && inputs[i].type == "password") {
					var fakeInput = document.createElement("input");
					fakeInput.type = "text";
					fakeInput.value = inputs[i].value;
					fakeInput.className = inputs[i].className;
					fakeInput.fake = true;
					inputs[i].parentNode.insertBefore(fakeInput, inputs[i].nextSibling);
					inputsSwap(inputs[i], null);
				}
			}
		}
	}
	if(o.clearTextareas) {
		var textareas = document.getElementsByTagName("textarea");
		for(var i=0; i<textareas.length; i++) {
			if(textareas[i].className.indexOf(o.filterClass) == -1) {
				textareas[i].valueHtml = textareas[i].value;
				textareas[i].onfocus = function() {
					if(this.value == this.valueHtml) this.value = "";
					if(o.addClassFocus) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				textareas[i].onblur = function() {
					if(this.value == "") this.value = this.valueHtml;
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
			}
		}
	}
	function inputsSwap(el, el2) {
		if(el) el.style.display = "none";
		if(el2) el2.style.display = "inline";
	}
}
if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage);

// mobile browsers detect
browserPlatform = {
	platforms: [
		{
			// Blackberry <5
			uaString:['BlackBerry','midp'],
			cssFile:'blackberry.css'
		},
		{
			// Symbian phones
			uaString:['symbian','midp'],
			cssFile:'symbian.css'
		},
		{
			// Opera Mobile
			uaString:['opera','mobi'],
			cssFile:'opera.css'
		},
		{
			// IE Mobile <6
			uaString:['msie','ppc'],
			cssFile:'ieppc.css'
		},
		{
			// IE Mobile 6+
			uaString:'iemobile',
			cssFile:'iemobile.css'
		},
		{
			// Palm WebOS
			uaString:'webos',
			cssFile:'webos.css'
		},
		{
			// Android
			uaString:'Android',
			cssFile:'android.css'
		},
		{
			// Blackberry 6+
			uaString:['BlackBerry','6.0','mobi'],
			cssFile:'blackberry6.0.css'
		},
		{
			// iPad
			uaString:'ipad',
			cssFile:'ipad.css',
			miscHead:''
		},
		{
			// iPhone and other webkit browsers
			uaString:['safari','mobi'],
			cssFile:'safari.css',
			miscHead:''
		}
	],
	options: {
		cssPath:'css/',
		mobileCSS:'allmobile.css'
	},
	init:function(){
		this.checkMobile();
		this.parsePlatforms();
		return this;
	},
	checkMobile: function() {
		if(this.uaMatch('mobi') || this.uaMatch('midp') || this.uaMatch('ppc') || this.uaMatch('webos')) {
			this.attachStyles({cssFile:this.options.mobileCSS});
		}
	},
	parsePlatforms: function() {
		for(var i = 0; i < this.platforms.length; i++) {
			if(typeof this.platforms[i].uaString === 'string') {
				if(this.uaMatch(this.platforms[i].uaString)) {
					this.attachStyles(this.platforms[i]);
					break;
				}
			} else {
				for(var j = 0, allMatch = true; j < this.platforms[i].uaString.length; j++) {
					if(!this.uaMatch(this.platforms[i].uaString[j])) {
						allMatch = false;
					}
				}
				if(allMatch) {
					this.attachStyles(this.platforms[i]);
					break;
				}
			}
		}
	},
	attachStyles: function(platform) {
		if(platform.cssFile) {
			document.write('<link rel="stylesheet" href="' + this.options.cssPath + platform.cssFile + '" type="text/css"/>');
		}
		if(platform.miscHead) {
			document.write(platform.miscHead);
		}
	},
	uaMatch:function(str) {
		if(!this.ua) {
			this.ua = navigator.userAgent.toLowerCase();
		}
		return this.ua.indexOf(str.toLowerCase()) != -1;
	}
}.init();